@article{DAN_1971_200_1_a18,
     author = {K. Ya. Kondrat'ev and E. M. Shul'gina},
     title = {Determination of some characteristics of soil based on data obtained by the measurements of its microwave radiation},
     journal = {Doklady Akademii Nauk},
     pages = {88--90},
     publisher = {mathdoc},
     volume = {200},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_1_a18/}
}